1-azinyl-tetrazolinones

C - Chemistry – Metallurgy – 07 – D

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Details

C07D 403/04 (2006.01) A01N 47/38 (2006.01) C07D 401/14 (2006.01) C07D 403/14 (2006.01)

Patent

CA 2188990

1-Azinyl-tetraozolinones of the following formulae (I) and (II): (I) (II) Image Image wherein R1 and R2 are independently represent alkyl, haloalkyl, cycloalkyl, alkenyl, haloalkenyl, alkynyl or optionally substituted phenyl, or R1 and R2, together with the nitrogen atom to which they are bonded, may form a 5- or 6-membered heterocyclic ring which may optionally contain a further heteroatom, and said heterocyclic ring may optionally be benzo-condensed and/or be substituted by one or more of C1-4 alkyl(s), and R3 is a 6-membered heterocyclic aromatic group consisting of carbon atoms and 2 or 3 nitrogen atoms, which may optionally be substituted by halogen, C1-4 alkyl, C1-4alkoxy, C1-4 alkylthio, di(C1-4 alkyl)amino or phenyl. The compounds of the formula (I) exhibit an excellent herbicidal activity and the compounds of the formula (II) are useful as starting materials in the production of the compounds of the formula (I).

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